Digi-Pas« PC Sync Software is a full professional software edition that can be installed to any PC to take advantage the remote USB & wireless Bluetooth capabilities effectively making precision machine levelling task and data logging activities to One-Man-Operation. The newly added 3D Surface Flatness Graph allows user to perform 3D surface geometry profiling and characterization. The 3D visual graph and its corresponding 3D numeric data can be saved and stored in Excel file for further analysis & record.